63354631 has 4 divisors (see below), whose sum is σ = 67081392. Its totient is φ = 59627872.

The previous prime is 63354601. The next prime is 63354653. The reversal of 63354631 is 13645336.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63354631 - 2⁹ = 63354119 is a prime.

It is a super-2 number, since 2×63354631² = 8027618538292322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63354593 and 63354602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63354601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1863355 + ... + 1863388.

It is an arithmetic number, because the mean of its divisors is an integer number (16770348).

Almost surely, 2^63354631 is an apocalyptic number.

63354631 is a deficient number, since it is larger than the sum of its proper divisors (3726761).

63354631 is a wasteful number, since it uses less digits than its factorization.

63354631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726760.

The product of its digits is 19440, while the sum is 31.

The square root of 63354631 is about 7959.5622367062. The cubic root of 63354631 is about 398.6509364339.

Adding to 63354631 its reverse (13645336), we get a palindrome (76999967).

The spelling of 63354631 in words is "sixty-three million, three hundred fifty-four thousand, six hundred thirty-one".